File _patchinfo of Package patchinfo.20598

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File _patchinfo of Package patchinfo.20598

<patchinfo incident="20598">
  <issue id="1182717" tracker="bnc">VUL-0: CVE-2021-27364: kernel-source: iscsi_if_recv_msg() allows non-root users to connect and send commands</issue>
  <issue id="1183120" tracker="bnc">VUL-0: CVE-2021-27363: kernel live patch: show_transport_handle() shows iSCSI transport handle to non-root users</issue>
  <issue id="1183491" tracker="bnc">VUL-0: CVE-2021-27365: kernel live patch: iscsi_host_get_param() allows sysfs params larger than 4k</issue>
  <issue id="1183658" tracker="bnc">VUL-0: CVE-2021-28660: kernel live patch: memory overwrite in rtl8188eu</issue>
  <issue id="1184171" tracker="bnc">VUL-0: CVE-2021-3444: kernel live patch: [] Linux kernel bpf verifier incorrect mod32 truncation</issue>
  <issue id="1184710" tracker="bnc">VUL-0: CVE-2021-29154: kernel live patch: LPE due to incorrect BPF JIT branch displacement computation</issue>
  <issue id="1184952" tracker="bnc">VUL-0: CVE-2020-36322: kernel live patch: FUSE driver can confuse kernel by changing inode type</issue>
  <issue id="1185847" tracker="bnc">kernel live patch: Data loss/corruption occurs any time there is a write error on an md/raid array.</issue>
  <issue id="1185899" tracker="bnc">VUL-0: CVE-2021-32399: kernel live patch: Linux device detach race condition</issue>
  <issue id="1185901" tracker="bnc">VUL-0: CVE-2021-23133: kernel live patch: sctp_destroy_sock list_del race condition</issue>
  <issue id="1186285" tracker="bnc">VUL-0: CVE-2021-33034: kernel live patch: use-after-free when destroying an hci_chan</issue>
  <issue id="1187052" tracker="bnc">VUL-1: CVE-2020-36385: kernel live patch: An issue was discovered in the Linux kernel before 5.10. drivers/infiniband/core/ucma.c has a use-after-free because the ctx is reached via the ctx_list in some ucma</issue>
  <issue id="1188117" tracker="bnc">VUL-0: CVE-2021-22555: kernel live patch: out-of-bounds write in xt_compat_target_from_user() in net/netfilter/x_tables.c</issue>
  <issue id="1188257" tracker="bnc">VUL-0: CVE-2021-33909: kernel livepatch: size_t-to-int vulnerability in Linux's filesystem layer</issue>
  <issue id="2020-36322" tracker="cve" />
  <issue id="2020-36385" tracker="cve" />
  <issue id="2021-22555" tracker="cve" />
  <issue id="2021-23133" tracker="cve" />
  <issue id="2021-27363" tracker="cve" />
  <issue id="2021-27364" tracker="cve" />
  <issue id="2021-27365" tracker="cve" />
  <issue id="2021-28660" tracker="cve" />
  <issue id="2021-28688" tracker="cve" />
  <issue id="2021-29154" tracker="cve" />
  <issue id="2021-32399" tracker="cve" />
  <issue id="2021-33034" tracker="cve" />
  <issue id="2021-33909" tracker="cve" />
  <issue id="2021-3444" tracker="cve" />
  <category>security</category>
  <rating>important</rating>
  <packager>nstange</packager>
  <description>This update for the Linux Kernel 5.3.18-24_53_4 fixes several issues.

The following security issues were fixed:

- CVE-2021-33909: Fixed an out-of-bounds write in the filesystem layer that allows to andobtain full root privileges. (bsc#1188062)
- CVE-2021-22555: Fixed an heap out-of-bounds write in net/netfilter/x_tables.c that could allow local provilege escalation. (bsc#1188116)
- CVE-2020-36385: Fixed a use-after-free vulnerability reached via the ctx_list in some ucma_migrate_id situations where ucma_close is called. (bnc#1187050)
- CVE-2021-23133: Fixed a race condition in the SCTP sockets that could lead to kernel privilege escalation from the context of a network service or an unprivileged process. (bnc#1184675)
- CVE-2021-33034: Fixed a use-after-free vulnerability when destroying an hci_chan which leads to writing an arbitrary value. (bnc#1186111)
- CVE-2021-32399: Fixed a race condition in net/bluetooth/hci_request.c for removal of the HCI controller. (bsc#1184611)
- CVE-2020-36322: Fixed an issue in the FUSE filesystem implementation. This bug was addressed with a previous fix, which turned out was incomplete, and its incompleteness is tracked as CVE-2021-28950. (bsc#1184211)
- CVE-2021-29154: Fixed an incorrect computation of branch displacements in the BPF JIT compilers, which could allow to execute arbitrary code within the kernel context. (bsc#1184391)
- CVE-2021-3444: The bpf verifier did not properly handle mod32 destination register truncation when the source register was known to be 0. A local attacker with the ability to load bpf programs could use this gain out-of-bounds reads in kernel memory leading to information disclosure (kernel memory), and possibly out-of-bounds writes that could potentially lead to code execution. (bsc#1184170)
- CVE-2021-28660: Fixed an out-of-bounds write in rtw_wx_set_scan which could lead to local escalation of privilege with no additional execution privileges needed. (bsc#1183593)
- CVE-2021-27365: Fixed an issue in certain iSCSI data structures that do not have appropriate length constraints or checks, and can exceed the PAGE_SIZE value. (bsc#1182715)
- CVE-2021-28688: Fixed some uninitialization pointers in Xen that could result in leaking persistent grants. The leak in turn would prevent fully cleaning up after a respective guest has died, leaving around zombie domains. (bsc#1183646)
- CVE-2021-27363: Fixed a kernel pointer leak that can be used to determine the address of the iscsi_transport structure. (bsc#1182716)
- CVE-2021-27364: Fixed an issue that provides an unprivileged user the ability of craft Netlink messages. (bsc#1182717)
</description>
<summary>Security update for the Linux Kernel (Live Patch 15 for SLE 15 SP2)</summary>
</patchinfo>

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